1 /* 2 * Copyright (c) 2014 The FreeBSD Foundation. 3 * 4 * Portions of this software were developed by Konstantin Belousov 5 * under sponsorship from the FreeBSD Foundation. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice(s), this list of conditions and the following disclaimer as 12 * the first lines of this file unmodified other than the possible 13 * addition of one or more copyright notices. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice(s), this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the 17 * distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY 20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 26 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 28 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 29 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/types.h> 33 #include "libc_private.h" 34 35 #define SLOT(a, b) \ 36 [INTERPOS_##a] = (interpos_func_t)b 37 static interpos_func_t __libsys_interposing[INTERPOS_MAX] = { 38 SLOT(accept, __sys_accept), 39 SLOT(accept4, __sys_accept4), 40 SLOT(aio_suspend, __sys_aio_suspend), 41 SLOT(close, __sys_close), 42 SLOT(connect, __sys_connect), 43 SLOT(fcntl, __sys_fcntl), 44 SLOT(fsync, __sys_fsync), 45 SLOT(fork, __sys_fork), 46 SLOT(msync, __sys_msync), 47 SLOT(nanosleep, __sys_nanosleep), 48 SLOT(openat, __sys_openat), 49 SLOT(poll, __sys_poll), 50 SLOT(pselect, __sys_pselect), 51 SLOT(read, __sys_read), 52 SLOT(readv, __sys_readv), 53 SLOT(recvfrom, __sys_recvfrom), 54 SLOT(recvmsg, __sys_recvmsg), 55 SLOT(select, __sys_select), 56 SLOT(sendmsg, __sys_sendmsg), 57 SLOT(sendto, __sys_sendto), 58 SLOT(setcontext, __sys_setcontext), 59 SLOT(sigaction, __sys_sigaction), 60 SLOT(sigprocmask, __sys_sigprocmask), 61 SLOT(sigsuspend, __sys_sigsuspend), 62 SLOT(sigwait, __libsys_sigwait), 63 SLOT(sigtimedwait, __sys_sigtimedwait), 64 SLOT(sigwaitinfo, __sys_sigwaitinfo), 65 SLOT(swapcontext, __sys_swapcontext), 66 SLOT(wait4, __sys_wait4), 67 SLOT(write, __sys_write), 68 SLOT(writev, __sys_writev), 69 SLOT(kevent, __sys_kevent), 70 SLOT(wait6, __sys_wait6), 71 SLOT(ppoll, __sys_ppoll), 72 SLOT(fdatasync, __sys_fdatasync), 73 SLOT(clock_nanosleep, __sys_clock_nanosleep), 74 SLOT(pdfork, __sys_pdfork), 75 }; 76 #undef SLOT 77 78 interpos_func_t * 79 __libsys_interposing_slot(int interposno) 80 { 81 return (&__libsys_interposing[interposno]); 82 } 83